| Kingdom: Monera |
| Phylum: Proteobacteria |
| Class: Gammaproteobacteria |
| Order: Xanthomonadales |
| Family: Xanthomonadaceae |
| Genus: Xylella |
| Subject: Xylella fastidiosa Wells et al. 1987 |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Rosidae |
| Order: Sapindales |
| Family: Aceraceae |
| Genus: Acer |
| Subject: Acer spp. L. |